11th Standard Syllabus & Materials

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TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A

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TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A

11th Standard Computer Science Iteration and recursion English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

Published on: 12/11/2020

Download Tamil Nadu 11th Standard Computer Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 11th Standard - Computer Science

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Questions:

Multiple Choice Question

10 x 1 = 10

When the solver calls a sub solver, then it is called _________.

(a)

Iterative call

(b)

solver call

(c)

recursive call

(d)

conditional call

In an expression if the variables has the same value before and after an assignment, then it is __________of an assignment.

(a)

variant

(b)

Invariant

(c)

iteration

(d)

variable

If L is a loop variant, then it should be true at __________ important points in the algorithm.

(a)

(b)

(c)

(d)

Which one is odd?

(a)

at the start of the loop (just before the loop)

(b)

at the start of each iteration (before loop body)

(c)

at the end of each iteration (after loop body)

(d)

at the middle of the loop (just before the loop)

Which of the following is a recursive solver case?

(a)

Base case

(b)

Recursive case

(c)

loop case

(d)

Both a and b

Which of the following is more powerful algorithms design technique closely related to iteration?

(a)

Specification

(b)

Abstraction

(c)

Recursion

(d)

Decomposition

The unchanged variables of the loop body is called loop _______.

(a)

condition

(b)

loop statement

(c)

loop variable

(d)

loop invariant

Using this recursive definition
\(a^n= \begin{cases}1 & \text { if } n=0 \\ a \times a^{n-1} & \text { otherwise }\end{cases}\)
how many multiplications are needed to calculate a¹⁰?

(a)

(b)

(c)

(d)

Which of the following is not an invariant of the assignment? m, n := m+2, n+3

(a)

m mod 2

(b)

n mod 3

(c)

3 x m - 2 x n

(d)

2 x m - 3 x n

10.

We wish to cover a chessboard with dominoes,ロロ the number of black squares and the number of white squares covered by dominoes, respectively, placing a domino can be modeled by

(a)

b:= b + 2

(b)

w:= w + 2

(c)

b, w := b + 1, w + 1

(d)

b:= w